UPM HTM621 - User Manual

Model No.
HTM621
Programmable Thermostat
For Electric Baseboard Heaters
High VOLTAGE
120 V/ 240 V AC, 60 Hz
Ref: HTM621 UPM BRAND
http://waterheatertimer.org/Woods-timers-and-manuals.html#Noma-Garrison

Summary

Installation Instructions

Safety Warnings

Critical safety and installation warnings for proper use and electrical code compliance.

System Compatibility

Lists heating systems that are compatible with the thermostat.

Wiring and Mounting Steps

Detailed step-by-step instructions for installing the thermostat.

Programming

Setting the Clock and Time Format

Guides on setting the time and choosing between 12/24 hour formats.

Temperature Scale Selection (°C;°F)

Program Heating Schedules

Explains the 7-day programming with 4 distinct periods per day.

Customizing Program Schedules

Step-by-step guide to customize heating times and temperatures.

Copy Program Settings

High-Limit Function

Sets a maximum temperature limit to prevent overheating.

Restore Factory Defaults

Temperature Override

Hold Function

Option Settings

12;24 Hour Clock Format

Heat Cycle Rate Settings

Pre-Comfort Recovery Setup

°C or °F Display Selection

Heat Cycle Rate Explanation

Setting the High-Limit Function

How to enable and configure the maximum temperature limit.

Troubleshooting Guide

Programming Errors

Solutions for problems related to incorrect program entry or timing.

Heating System Activation Problems

Addresses issues where the heating system fails to turn on or runs constantly.

Temperature Display Issues

UPM HTM621 Specifications

General

Brand	UPM
Model	HTM621
Category	Thermostat
Language	English